Padlock



March vl1927. *l H. BIEMER I 1,6 1,347

. PADLock .Y Filed March 18. 1922 i atented'Mar. 15, Y i i .i i i o y UITE s rATs P1:TENT: oFQICE.i

`V rannocx. vApplication med March 1s, 1922, serial no. 544,799, and in Germany May 7, 19,21.

' The padlock' according to the invention wall verticalto the `aXis'of the cylinder.

' offers a great security against an unauthorized The'notches g4 are ttedin the same manner opening by arranging' a turnable lockV cylinbut on a much smaller-scale. l Upon atur-nder within the bore of a solidv metal piece.l ing of the cylinder g the'notches g1 push the 6o rihe lock cylinderis providedwitha crown bolt f* into its iinal position, while the small having inclined faces by meansof which notches g4 keep Vit arrested in this position. uponits being turned a `bolt is moved for Thebolt ft is chamfered on' the side'facing locking thebow. A pin within the lock cyl-VY the crown according to the faces g-.V In the ieder serves as a tumbler which engages with cylinder g slidable ina port g5l therein' isa 65 1o a recess in the wallon the` bore in 'the solid pin 7c havinga'fnotch Island a spiral spring Z, metal piece and which leaves this recess only The pin /c is by means'of any suitable device if with its one end it lits exactly the notch Secured aga-inst a turningabout its longiof a pin which can be moved vertically to it tudinal axis. Accurately matching the roof by means of the key. Y shaped walls of this notch, the upper end 70 l5 Upon the drawing one mode of carryingy of a further pin fm, in a port g6 has been out the invention is shewn and it is: kshaped accordingly, A spring m2 forces this Fig. l, a section through the padlock acpin against the pin k. On two sides of the cording to the invention, port al opposite to each other two bores al Fig. 2,-a section along the line ,A+-Afef have been provided for. Into these the pin 75.

Fig l, v p m can enter and thereby prevent a turning Fig. 3, a view of the` piece carrying the of the cylinder g and thus an opening of the bolt, lock. Only when the. pin lc is accurately Fig. 4,v a plan and a partial side view ofk pushed back to such an extent that the point Vthe crown of the lock cylinder, Y vof pin m fits exactly the notch k1 willV the 80 Y* Fig. 5, a view of one of the locking sleeves, pin m leave the bore al and can the lock be and opened. Y Y

Fig. 6, the view of a key for such a lock. The cylinder g is furthermore fitted with The body of the padlock which' may be an extension g5 .which serves to prevent a made of any suitable metal isdenoted by a, skeletony key or another instrument from `':10 while b represents the bow. The bow is engaging the' pin lo.

provided with a channel .721, in which a'spi- There are furthermore two closing sleeves ral spring isarranged. lThe spiral spring 71, and in .the port al where they are fa'sis at the opening of the channel suitably protened by' means o-f the screws n and o; As

body. This spring serves the purpose to are on their plate shaped side provided with push .the bow upwards when the lock has notches p for allowing the keyv to pass been opened. The bow is further provided through'. The key (Fig. 6) consists of a with a horizontal groove b2 and following fiat metal strip having onits edges'notchesl the latter with a vertical groove b3. At the h1 and 1. Of the cut out endsofy the key the 95 40 end of this groove a pin c has been inserted section g serves to move the pin c while into the body of the lock which serves to the section r fits into anotch g of the cylinguide the bow after it has been unlocked. A. Vder g andV enables a turning of this crown port CZ has been drilled into the body a of by means of the key.4 The section r can be the lock. Into this port are placed a cylinrecessed Vin any manner at r1 vso thatit fits 100 drical body f, a lock cylinder g and two into the holeg6 shaped accordingly.` closing sleeves L and z'. The cylinder f Having now fully described and ascer-y rpossesses two bores f1 and f2 which are contained the nature of my said invention,l and nected with each other by a passage f3, see the manner in which it is to be performed,

vided with a pin or with a small cylindrical such maybe seen from Fig. 5, the sleeves 90 Fig. 3. VJithin. the bore f2y there is the bolt I declare that what I claim 1s: 105y f4 to which a little rod f5 has been attached. .1'. A padlock comprising in combination, A spiral spring f tends to push the bolt a body portion,va bow displaceablerelative into the openedy position.V to said body portion and having one of itsy i The lock cylinder g is on the side facing Shanks journaled in the latter, said body the bolt f4' fitted with notches' g1, see Fig. portion having arbore perpendicular to said v.110

4. These notches have inclined faces g2, shank, a lock cylinder in said bore, a spring- Y while at g3 theyare each provided lwith a influenced locking bolt for cooperating with zishank of the boW andl arranged parallel to said lock cylinder, a carin member' for displacing the locking bolt upon a rotation of the lock cylinder, and means for maintain Ving the lock cylinder in'locking position.

2. In a padlock, a bodyV portion,V a loclr Vcylinder' arranged in a bore form-ed in said body portion, said lock. cylinder having, a

'Y io pin; niofnntjedin. said lockl cylinder and engaging' said notch yfor releasingv said cylinden said first-nientijonedpin being displaceable by the ineertion of alr'ey, substantially as and for the purpose described.

, 3. In a; padlock, a-bo`dy portion74 a lock in locking position.

cylinder arranged in aaloorey formed said body portion, said loclrcylinderk having aV crown formed withv an inclined Vface, a locking bolt; actnated by the inclined faceoi1 said lock` cylinder' upon the rotation o-said lock cylinder, a notched pin displaceably niounted in said'lock cylinder, a cylinder lock-ing pin mounted said lock cylinder and engaging said notch for releasing saidV cylinder,- sand mentionedipin beingrdisplanea-bley by tbe insertion of ai key,V srrbsti-antially as.` andi for the pri-mooseV described,vv saidV crown hzwirnga shallow notch therein, said. locking bolt engaging in said notch when Signed Berln, or. February', 1924:.

HEINRVGH! BEMER,

Germany this tli day 

